Javascript and Windows media player not functional on Windows Vista?

Javascript and Windows media player not functional on Windows Vista?
I have a windows Vista installed on my laptop, from my initial admin account, all is working fine,i have no problem. I created another account as Administrator, i go the following issues:
– Windows Media player is not running: no error message just it’s not functional
– Javascript is not functional using IE 7: Active scripting is enabled, javascript is running with Mozilla
– Cannot open PDF file
– Real Player is not running